I just winterized mine for the winter even though I have a heated garage. I do it every winter just in case my furnace were to break. I just drain most of the water and top off with antifreeze and fire it up until warm and circulating. Then drain it all in the spring again.

1963 Belvedere 440 Max Wedge Tribute
1970 Charger R/T S.E. 440 Six Pack
1970 Challenger R/T, 528 Hemi
1970 Charger 500 S.E. 440 4 BBL
1970 Plymouth Road Runner 383
1974 Chrysler New Yorker 440
1996 2500 RAM 488 V-10 4X4
2004 3500 Dually Cummins 4x4
2012 Challenger R/T Classic.